GUIBAO 998 Silicone Weatherproofing Sealant
GUIBAO 998 is a premium one-part neutral cure silicone weatherproofing sealant engineered for general weather sealing applications in curtain wall systems, facades, and construction joints. Provides exceptional weather resistance, superior UV stability, and excellent adhesion to a wide variety of building substrates.
Key Features
- Excellent weather resistance - UV, rain, snow, ozone
- ±35% movement capability
- Wide substrate compatibility - metals, glass, concrete
- Strong unprimed adhesion to multiple building materials
- One-part ready-to-use formulation
Applications
Glass curtain wall sealing
Aluminum curtain wall sealing
Terracotta curtain wall sealing
Construction joints
Facade expansion joints
Our Advantages
Meets GB/T 14683-I-Gw-35HM standard
High movement capability for dynamic joints
Excellent substrate versatility
Long-term weather durability
12 months shelf life
Technical Data
| Movement Capability | ±35% |
| Modulus at 23°C | ≥ 0.4 MPa |
| Extension Recovery | ≥ 80% |
| Extrusion Rate | ≥ 150 ml/min |
| Slump | ≤ 3 mm |
| Service Temperature | -50°C to +150°C |
Packaging
Cartridge (300ml, 24pcs/carton), Sausage (590ml, 20pcs/carton)
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